The ifa_netmask is null when failed to call ioctl
in getifaddrs
Signed-off-by: Haifeng Lin <[email protected]>
---
lib/netdev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/netdev.c b/lib/netdev.c
index a7840a8..c731b80 100644
--- a/lib/netdev.c
+++ b/lib/netdev.c
@@ -1982,7 +1982,8 @@ netdev_get_addrs(const char dev[], struct in6_addr
**paddr,
sin6 = ALIGNED_CAST(const struct sockaddr_in6 *, ifa->ifa_addr);
memcpy(&addr_array[i], &sin6->sin6_addr, sizeof *addr_array);
sin6 = ALIGNED_CAST(const struct sockaddr_in6 *, ifa->ifa_netmask);
- memcpy(&mask_array[i], &sin6->sin6_addr, sizeof *mask_array);
+ if (sin6)
+ memcpy(&mask_array[i], &sin6->sin6_addr, sizeof *mask_array);
i++;
}
}
--
1.8.5.2.msysgit.0
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